The BBC's Duncan Kennedy in Sydney says that while most explorers dream of discovering uncharted territory, the Australian team appears to have done the opposite - and cartographers everywhere are now rushing to un-discover Sandy Island for ever.

My hypotheses:AliensA REALLY big whale that came up for airA really big ocean liner that stayed in one place for too longAn island of garbage that washed awayIt's already gotten covered with water due to climate change and the rising of the oceansor, perhaps the least possible of all . . . Google Maps is WRONG!